<?php
/* Copyright (c) 2008 Hailey Bannister
All rights reserved.
 
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 
    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
    * Neither the name of the aframephp project nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
/*
 * txtparser.mod.php - Hailey Bannister
 
 * This will handle the transformation of wiki formatted text and convert it to 
 * xhtml 
 * This file makes heavy use of the pear module text_wiki.
 * Which can be found at... http://pear.php.net/package/Text_Wiki/
 */
 
include_once('Text/Wiki.php');


class txtparser {
 
    private $raw;
    private $parse;
    private $xhtml;
		private $wiki;
		
       //Lets construct our class and do some varible stuff like defining a new Text_Wiki() object
    function __construct() {
		$wiki				= new Text_Wiki();
//			$wiki				= & Text_Wiki::singleton('Default'); 
			$this->wiki = $wiki;
			debug ("Yay class txtParser loaded!",0);
     }
    function loadText($input) {
  		$this->raw = $input;
  		$this->setParse();
//		$this->setPageLinks();
  	}
  	
  	//Allowable outputTypes are, xhtml, Rtf, Docbook  	
  	function setParse($outputType = 'xhtml',$baseURL = "?req=%s",$newURL = "edit.php?req=%s",$nlinkText = '*') {
  		//I don't really understand this all that well..
  	  $this->wiki->setRenderConf($outputType,'wikilink','new_url',$newURL);
   	  $this->wiki->setRenderConf($outputType,'wikilink','view_url',$baseURL);
  	  $this->wiki->setRenderConf($outputType,'freelink','new_url',$newURL);
   	  $this->wiki->setRenderConf($outputType,'freelink','view_url',$baseURL);
   	  $this->wiki->setRenderConf($outputType,'wikilink','new_text',$nlinkText);
   	  $this->wiki->setRenderConf($outputType,'freelink','new_text',$nlinkText);
  	}
  	//This function is to tell the parser which links to activate.
  	function setPageLinks ($page_array = -1) {
			if($page_array == -1) { 
				$this->wiki->setRenderConf('xhtml', 'wikilink', 'pages', '');
		  } else {
  	  	$this->wiki->setRenderConf('xhtml', 'wikilink', 'pages', $page_array);
  	  }
  	}
  	
  	function setPageCallback($callback) {
	  	$this->wiki->setRenderConf('xhtml', 'wikilink', 'exists_callback', 'pageExists');
	  	$this->wiki->setRenderConf('xhtml', 'freelink', 'exists_callback', 'pageExists');
  	}
  	function renderData($outputType = 'xhtml') {
			$data =  $this->wiki->transform($this->raw,$outputType);
			$this->xhtml = $data;
			return $data;
  	}
}
